#include <stdio.h>

main() {
    char words[] = "some varied lengths of lugubrious words are not here"; 
    int i, len = sizeof(words); 

    for (i = 0; i < len; i++) {
	if (words[i] == 32) {
	    printf("\n"); 
	}
	
	else {
	    printf("%%"); 
	}
    }
    printf("\n"); 
}
